Orchard heater



H. D. KELLER.

ORCHARD HEATER.

APPLICATION FILED MAY 6,1921.

Patented June 13, 1922.

AT ORNEY WITNESSES UNHTEE STATES Parent" clerics.

HERMAN D. KELLER, 0F COLDWATER, MICHIGAN, ASSIGNOR TO KELL-OIL -HEATER' COMPANY, OF COLDWATER, MICHIGAN, COMPOSED'OF HERMA N KELLER, MARY J. KELLER, HERMAN J. KELLER, LOUISQIB. KELLER, JOHN G. KELLER, MARY A. MOS, CATHERINE C. PARISIAN, AND FRANK H. KELLER.

ORCHARD HEATER. Y

Specification of Letters Patent.

Patented June 13,1922;

Application filed May 6, 1921. Serial No. 467,501.

To all whomz't may concern:

Be it known that I, HERMAN D. KELLER, a citizen of the United States, residing at Goldwater, in the county of Branch and State of Michigan, have invented a new and .by frosts or severe cold spells.

In employing heaters of this type Which are adapted to burn oil, considerable difficulty is experienced in supplying the proper uantity of air for an economical consumption of fuel while eliminating smoke and soot.

Likewise. difficulty has been experienced in properly conducting air to the heater which air is distributed afterwards to the orchard so that this heated air will not interfere with the consumption of the fuel and cause smoking of the burner.

An object of this invention is the pro- Vision of a new and improved means in the burner by which the air to be heated is car-- ried to the center of the device and then evenly distributed to the exhaust gases of the burner.

Another object of this invention is the provision of a new and improved means in the burner by which the air is heated preliminarily as it enters and is conducted to the center of the burner and before it is discharged into the exhaust gases in the chimney.

A. further object of the invention is the provision of a new and improved means by which the air is preliminarily heated before.

it is discharged into the exhaust gases of the burner and which heated air also acts as a heating means for the distributer of the air.

A still further object of the inventionis the provision of a new and improved means by which the air for the burner is directedaway from the center of the fuel tank'when the tankis full of oil.

Another object of the invention is the provision of a new and improved means by, which the air for the burner is directed. towards the center of the fuel tank when the oil does not quite fill the receptacle.

The invention will be best understood from a consideration of the following detailed de- 22 of Fig.

top of the fuel container.

scription taken in connection with the accompanying drawing forming part o'f this specification, with. the understanding, however, that the invention is not confined to any strict conformity with the showing in the drawing, but may be changed and modified so long as such changes and modifications mark no material departure from the salient features of the invention as expressed in the appended claims.

In the drawing Fig. 1 is'a View in elevation partly in section showing my improved burner.

Fig.2 is a cross section through .the line I disclosing a plan view of the Fig. 3 is a cross section along the line 33 of Fig. 1, disclosing a plurality of intake tubes and-their common outlet.

- Fig. 4 is a crosssection along'the line 44.- of Fig. 1, disclosing a bottom plan view of the removable cap for the chimney.

Fig. 5 is an enlarged view i'n'section showing a detail of the fastening means for the cover as applied to the fuel receptacle.

The invention comprises a fuel tank, a top for the tank, an intake chamber or member for delivering air to be heated by the burner, a chimney for the burner, a distributing chamber which is in communication with the air intake and the chimney, and a removable top to prevent rain from entering the chimneyand also for deliverin the heat to the atmosphere in-a, downwar direction.

In the drawings, 1 designates a tank or fuel container filled with oil and provided with a top 2 which has a central opening 3 and a flange 4 projecting upwardly from the periphery of the opening. The top 2 is secured in any manner to the fuel receptacle 1, but as is shown in the drawings, it may be attached by means of a downwardly turned ,flange 2 integrally formed on the periphery of the top 2 and cemented'to an annular beveled portion on a ring 5. To augment the above securing means, spaced lugs 5 projecting outwardly from the ring 5 are fastened by means of bolts to lugs 6 similarly spaced on and projecting outwardly from the flange 2 of the top.

An air intake chamber or member 7 which is cylindrical in form engages the flange 4 on the top 2 for holding the intake in position above the fuel tank.

' of air and fuel to the The intake 7 is provided with a plurality of conduits 8 disposed horizontally of the intake and meeting at a I common center. An opening or port 9 formed in the upper portion of the intake where these conduits meet is bordered by a flange 10 upon which is mounted a perforated air distributer 11 having a closed top 12, perforations 13, and a port 14 concentric with the port 9 in the intake 7. lhe intake conduits 8 have openings 15 in the outer cylindrical shell of the intake 7 in order that exterior air may pass through these conduits to the center of the chamber and upwardly through the ports 9 and 14 into the distributing chamber 11.

A chimney 17 is removably mounted upon a flange 16 on the upper edge of the cylindrical intake 7. A top 18 mounted upon the top of the chamber 17 is spaced therefrom by means of the feet 19 which are secured to the top and have a'bent portion 20 cooperating with the top'ofthe chimney to hold the top in place.

The top of the fuel container is provided with openings 21 and 22 for the admission container. Flanged tubes 23 are secured on the top in alinement with these openings. A cover or lid 24 is pivoted to this flanged tube for closing or opening the ports 21 and 22 to the fuel container. Beneath the port 21 and secured to theu'nder side of the top 2 is a semi-circular plate 25 which is adapted to direct air entering the port 21 away from the center of the oil chamber when the chamber is full of oil. A bent tube or conduit 26 having the portion 27 extending towards the center of the fuel container is secured to the bottom of the top 2 and in alinement with the port 22 for admitting air towards the center of the iuell chamber when the container is nearly The conduits 8 are so spaced from each other in the air intake that they provide passages 28 between the fuel tank 1 and the chimney 17. i

The operation of my device is as follows. Fuel oil is poured into the fuel container 1 through either ofthe ports 21 or 22 in any quant ty suficient to fill the container. One of the ports 21 or 22 is kept open to admit air to the tank 1 for maintaining combus-v tion in the burner, The oil is then .ignited by dropping waste or any combustible material into the fuel container, thereby igniting the oil on the surface, and. the smoke and gases which are formed in the combustion of the oil pass upwardly through the passages 28 around the conduits 8 and upwardly through-the chimney-17, and then out into the atmosphere. As the exhaust gases pass around the conduits 8, these conduits are heated and likewise the distributer 11. lfh'e a1r 1n these two members being heated will of the ports 21 or 22 so that no more air may be admitted to the chamber 1. f'lnstead of the slip joint between the air intake 7 and the cover 2, the air intake may be pivoted directly to the cover and slidable thereon. It will be seen that by this arrangement, the air intake 7 and chimney 17, which are held in vertical alinement on each other, may be turned upon the pivotal connection between the air intake and the cover 2, in order to provide a larger opening for filling the receptacle 1 and also make it possible to more easily clean the interior of the heater.

What is claimed is 1. A heater, comprising a fuel receptacle, a cover for said receptacleprovided with an opening centrally disposed therein, an air intake member mounted on the cover, an air distributer mounted centrally of and in communication with the air intake, and a chimney mounted on the air intake member and surrounding the air distributer.

2. A heater, comprising afuel receptacle, a cover for said receptacle provided with an opening centrally disposed therein, an air intake mounted on the cover, an air distributer mounted centrally of the air intake, said air intake being provided with a plurality of horizontally disposed passages having a common inlet communicating with the air distributer, and a chimney disposed on the air intake and concentric with the air distributer.

3. A heater, comprising a fuel; receptacle, a cover for said receptacle provided with air inlets, an air intake chamber mounted on the cover, an air distributer mounted on and in communication with said air intake, said air intake comprising a plurality of passages intersecting at a common point, a passage providing a communication between the air intake and the air distributer at thepoint of intersection of the passages, a chimney disposed on the intake and concentric with the an air distributer mounted concentrically comand v within the chimney, and means for directing air to the center of the chimney directly into the air distributer.

5. A heater, comprising a fuel receptacle, a cover for said receptacle, means for admitting air to said receptacle, means for directing said air away from the center of said receptacle, a chimney located above said receptacle, means for admitting air to the center of said chimney, and means for distributing said air in all directions to the chimney.

6. A heater, comprising a fuel receptacle, a truncated and centrally perforated cover, a flange surrounding the aperture, an air intake chamber disposed above said cover and removably mounted on the flange, a perforated tubular member having a closed top mounted on the air distributer and in open communication with the same, and a chimney provided with a heat retainer disposed on one end, mounted on the air intake chamber.

7. A heater, comprising a fuel receptacle, a chimney located on said receptacle, a passage providing a communication between the receptacle and the chimney, an air intake member mounted within said passage, and an air distributer mounted on the air intake member.

84A heater, comprising a fuel receptacle, a chimney located on said receptacle, a

passage providing a communication between the receptacle and the chimney, an air intake mounted within said passage, and a distributer mounted above the air intake, said air intake being provided with a plurality of passages and adapted to direct air to the center of the chimney and to the air distributer.

9. A heater, comprising a fuel receptacle, a chimney located on said receptacle, a passage providing a communication between the receptacle and the chimney, an air intake mounted within said passage, a distributer mounted above the air intake, means for admitting air to the fuel receptacle, and means for directing said air away from the center of the receptacle.

.10. A heater, comprising a fuel receptacle, a cover for said receptacle having a centrally disposed opening therein, a chimney mounted on said cover, and means for directing air to the center of said chimney comprising a plurality of tubular members meeting at a common point, a perforated tubular member having one end closed and the other end in open communication with an opening at the point where the tubular members meet.

11. A heater comprising a fuel receptacle adapted to maintain a partial combustion of the fuel, a chimney in communication with the fuel receptacle, and means for distributing heated fresh air to the burning gases from the fuel receptacle at a point in the chimney above the fuel receptacle.

12. A heater comprising a fuel receptacle, a chimney in communication with the fuel receptacle, an air distributer spaced from the chimney, an air intake member arranged below and in communication with the distributer for supplying heated air to said distributer, said air distributer having a series of perforations adapted to supply heated air to the chimney.

13. A heater, comprising a fuel receptacle, acover for said receptacle, an air intake chamber mounted above said cover, an air distributer mounted on -said air intake, and a chimney mountedon the air intake, said air intake being adapted to direct air to the center of the heater directly into the air distributer.

14. A heater comprising a fuel receptacle, a chimney mounted above said receptacle for the escape of the products of combustion arisin therefrom, an air intake formed of a plurality of conduits located above the receptacle in the path of the ascending products of combustion, and heated thereby, said air intake collecting air from the outside and after being heated discharging it into the chimney.

In testimony that I claim the foregoing as my own I have hereto aflixed my signature.

HERMAN D. KELLER.

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